president after leading the medical team that inspected the site where 33 chilean miners were trapped recommendations that helped save their lives. back at the crash site, investigators are trying to figure out who was at the controls. >> we'll be looking at the man, the machine, the environment. after we collect this information, we'll begin the process of analysis, writing draft reports and in the end a final report. >> reporter: because the owners of the planes work for two government-related agencies, canadian transportation safety board officials are handling the investigation. ...